I suddenly had the urge to do a series of topics on music visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, ...
The timer of esp32/8266 is different from pyb.timer. How can I modify it to work on esp32/8266?
import pyb
import micropython
micropython.alloc_emergency_exception_buf(100)# Futaba PPM decoder
# http:...
When selecting different current sampling resistors, the main concern is of course temperature drift. Usually the deviation of the resistor can be calibrated out as the gain error of the operational a...
LTspice can be pulled in directly
For details on how to generate the library, please refer to the followingLTSPICE Devices and Libraries1.TL494
2.uc3825
3.sg3525
4.uc3527a
5.hcpl3180
6.k554ud2
7.moc30...
MPS EVM38111-R-00A : Dual-channel 6V, 1A, synchronous buck power module evaluation board with integrated inductor (value: 179.75 yuan) is an evaluation board used to demonstrate the performance of the...
[i=s]This post was last edited by Wuzu Simeng on 2022-11-22 23:05[/i]After unpacking it for a week, I found that this weight loss tool is really good. I successfully lost 0.5 kg, but I gained it back ...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
DIY/Open Source Hardware
京公网安备 11010802033920号
EEWORLD
